Vulnerability-Lookup

ALSA-2026:71652

Vulnerability from osv_almalinux – Published: 2026-09-24 00:00 – Updated: 2026-09-25 12:06 – Source website

Summary

Important: firefox security update

Details

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.

Security Fix(es):

firefox: thunderbird: Use-after-free in the SVG component (CVE-2026-92024)
firefox: thunderbird: Mitigation bypass in the Remote Settings Client component (CVE-2026-92019)
firefox: thunderbird: Use-after-free in the Networking component (CVE-2026-92026)
firefox: thunderbird: Information disclosure in the Graphics: ImageLib component (CVE-2026-92031)
firefox: thunderbird: Sandbox escape due to invalid pointer in the Graphics component (CVE-2026-92032)
firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92010)
firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92006)
firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92011)
firefox: thunderbird: Use-after-free in the DOM: Streams component (CVE-2026-92027)
firefox: thunderbird: Use-after-free in the DOM: Core & HTML component (CVE-2026-92028)
firefox: thunderbird: Privilege escalation in the WebExtensions component (CVE-2026-92015)
firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92013)
firefox: thunderbird: Use-after-free in the Disability Access APIs component (CVE-2026-92016)
firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92012)
firefox: thunderbird: Use-after-free in the DOM: HTML Parser component (CVE-2026-92022)
firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics component (CVE-2026-92014)
firefox: thunderbird: Sandbox escape in the DOM: Core & HTML component (CVE-2026-92018)
firefox: thunderbird: Use-after-free in the JavaScript Engine: JIT component (CVE-2026-92021)
firefox: thunderbird: Use-after-free in the Audio/Video: Web Codecs component (CVE-2026-92005)
firefox: thunderbird: Privilege escalation in the DOM: Service Workers component (CVE-2026-92017)
firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92009)
firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: WebRender component (CVE-2026-92020)
firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92008)
firefox: thunderbird: Mitigation bypass in the DOM: Copy & Paste and Drag & Drop component (CVE-2026-92030)
firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92007)
firefox: thunderbird: Use-after-free in the DOM: Navigation component (CVE-2026-92025)
firefox: thunderbird: Use-after-free in the SVG component (CVE-2026-92029)
firefox: thunderbird: Use-after-free in the XML component (CVE-2026-92023)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

References

URL

Type

	https://access.redhat.com/errata/RHSA-2026:71652	ADVISORY
	https://access.redhat.com/security/cve/CVE-2026-92005	REPORT
	https://access.redhat.com/security/cve/CVE-2026-92006	REPORT
	https://access.redhat.com/security/cve/CVE-2026-92007	REPORT
	https://access.redhat.com/security/cve/CVE-2026-92008	REPORT
	https://access.redhat.com/security/cve/CVE-2026-92009	REPORT
	https://access.redhat.com/security/cve/CVE-2026-92010	REPORT
	https://access.redhat.com/security/cve/CVE-2026-92011	REPORT
	https://access.redhat.com/security/cve/CVE-2026-92012	REPORT
	https://access.redhat.com/security/cve/CVE-2026-92013	REPORT
	https://access.redhat.com/security/cve/CVE-2026-92014	REPORT
	https://access.redhat.com/security/cve/CVE-2026-92015	REPORT
	https://access.redhat.com/security/cve/CVE-2026-92016	REPORT
	https://access.redhat.com/security/cve/CVE-2026-92017	REPORT
	https://access.redhat.com/security/cve/CVE-2026-92018	REPORT
	https://access.redhat.com/security/cve/CVE-2026-92019	REPORT
	https://access.redhat.com/security/cve/CVE-2026-92020	REPORT
	https://access.redhat.com/security/cve/CVE-2026-92021	REPORT
	https://access.redhat.com/security/cve/CVE-2026-92022	REPORT
	https://access.redhat.com/security/cve/CVE-2026-92023	REPORT
	https://access.redhat.com/security/cve/CVE-2026-92024	REPORT
	https://access.redhat.com/security/cve/CVE-2026-92025	REPORT
	https://access.redhat.com/security/cve/CVE-2026-92026	REPORT
	https://access.redhat.com/security/cve/CVE-2026-92027	REPORT
	https://access.redhat.com/security/cve/CVE-2026-92028	REPORT
	https://access.redhat.com/security/cve/CVE-2026-92029	REPORT
	https://access.redhat.com/security/cve/CVE-2026-92030	REPORT
	https://access.redhat.com/security/cve/CVE-2026-92031	REPORT
	https://access.redhat.com/security/cve/CVE-2026-92032	REPORT
	https://bugzilla.redhat.com/2533737	REPORT
	https://bugzilla.redhat.com/2533740	REPORT
	https://bugzilla.redhat.com/2533741	REPORT
	https://bugzilla.redhat.com/2533742	REPORT
	https://bugzilla.redhat.com/2533743	REPORT
	https://bugzilla.redhat.com/2533747	REPORT
	https://bugzilla.redhat.com/2533751	REPORT
	https://bugzilla.redhat.com/2533753	REPORT
	https://bugzilla.redhat.com/2533757	REPORT
	https://bugzilla.redhat.com/2533758	REPORT
	https://bugzilla.redhat.com/2533760	REPORT
	https://bugzilla.redhat.com/2533762	REPORT
	https://bugzilla.redhat.com/2533764	REPORT
	https://bugzilla.redhat.com/2533769	REPORT
	https://bugzilla.redhat.com/2533770	REPORT
	https://bugzilla.redhat.com/2533771	REPORT
	https://bugzilla.redhat.com/2533773	REPORT
	https://bugzilla.redhat.com/2533774	REPORT
	https://bugzilla.redhat.com/2533778	REPORT
	https://bugzilla.redhat.com/2533779	REPORT
	https://bugzilla.redhat.com/2533781	REPORT
	https://bugzilla.redhat.com/2533786	REPORT
	https://bugzilla.redhat.com/2533790	REPORT
	https://bugzilla.redhat.com/2533791	REPORT
	https://bugzilla.redhat.com/2533792	REPORT
	https://bugzilla.redhat.com/2533793	REPORT
	https://bugzilla.redhat.com/2533797	REPORT
	https://bugzilla.redhat.com/2533799	REPORT
	https://errata.almalinux.org/8/ALSA-2026-71652.html	ADVISORY

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "firefox"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "140.16.0-1.el8_10.alma.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.  \n\nSecurity Fix(es):  \n\n  * firefox: thunderbird: Use-after-free in the SVG component (CVE-2026-92024)\n  * firefox: thunderbird: Mitigation bypass in the Remote Settings Client component (CVE-2026-92019)\n  * firefox: thunderbird: Use-after-free in the Networking component (CVE-2026-92026)\n  * firefox: thunderbird: Information disclosure in the Graphics: ImageLib component (CVE-2026-92031)\n  * firefox: thunderbird: Sandbox escape due to invalid pointer in the Graphics component (CVE-2026-92032)\n  * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92010)\n  * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92006)\n  * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92011)\n  * firefox: thunderbird: Use-after-free in the DOM: Streams component (CVE-2026-92027)\n  * firefox: thunderbird: Use-after-free in the DOM: Core \u0026 HTML component (CVE-2026-92028)\n  * firefox: thunderbird: Privilege escalation in the WebExtensions component (CVE-2026-92015)\n  * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92013)\n  * firefox: thunderbird: Use-after-free in the Disability Access APIs component (CVE-2026-92016)\n  * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92012)\n  * firefox: thunderbird: Use-after-free in the DOM: HTML Parser component (CVE-2026-92022)\n  * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics component (CVE-2026-92014)\n  * firefox: thunderbird: Sandbox escape in the DOM: Core \u0026 HTML component (CVE-2026-92018)\n  * firefox: thunderbird: Use-after-free in the JavaScript Engine: JIT component (CVE-2026-92021)\n  * firefox: thunderbird: Use-after-free in the Audio/Video: Web Codecs component (CVE-2026-92005)\n  * firefox: thunderbird: Privilege escalation in the DOM: Service Workers component (CVE-2026-92017)\n  * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92009)\n  * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: WebRender component (CVE-2026-92020)\n  * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92008)\n  * firefox: thunderbird: Mitigation bypass in the DOM: Copy \u0026 Paste and Drag \u0026 Drop component (CVE-2026-92030)\n  * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92007)\n  * firefox: thunderbird: Use-after-free in the DOM: Navigation component (CVE-2026-92025)\n  * firefox: thunderbird: Use-after-free in the SVG component (CVE-2026-92029)\n  * firefox: thunderbird: Use-after-free in the XML component (CVE-2026-92023)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n",
  "id": "ALSA-2026:71652",
  "modified": "2026-09-25T12:06:25Z",
  "published": "2026-09-24T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:71652"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-92005"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-92006"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-92007"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-92008"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-92009"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-92010"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-92011"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-92012"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-92013"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-92014"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-92015"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-92016"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-92017"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-92018"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-92019"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-92020"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-92021"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-92022"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-92023"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-92024"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-92025"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-92026"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-92027"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-92028"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-92029"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-92030"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-92031"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-92032"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2533737"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2533740"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2533741"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2533742"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2533743"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2533747"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2533751"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2533753"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2533757"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2533758"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2533760"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2533762"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2533764"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2533769"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2533770"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2533771"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2533773"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2533774"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2533778"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2533779"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2533781"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2533786"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2533790"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2533791"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2533792"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2533793"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2533797"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2533799"
    },
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/8/ALSA-2026-71652.html"
    }
  ],
  "related": [
    "CVE-2026-92024",
    "CVE-2026-92019",
    "CVE-2026-92026",
    "CVE-2026-92031",
    "CVE-2026-92032",
    "CVE-2026-92010",
    "CVE-2026-92006",
    "CVE-2026-92011",
    "CVE-2026-92027",
    "CVE-2026-92028",
    "CVE-2026-92015",
    "CVE-2026-92013",
    "CVE-2026-92016",
    "CVE-2026-92012",
    "CVE-2026-92022",
    "CVE-2026-92014",
    "CVE-2026-92018",
    "CVE-2026-92021",
    "CVE-2026-92005",
    "CVE-2026-92017",
    "CVE-2026-92009",
    "CVE-2026-92020",
    "CVE-2026-92008",
    "CVE-2026-92030",
    "CVE-2026-92007",
    "CVE-2026-92025",
    "CVE-2026-92029",
    "CVE-2026-92023"
  ],
  "summary": "Important: firefox security update"
}

CVE-2026-92005 (GCVE-0-2026-92005)

Vulnerability from cvelistv5 – Published: 2026-09-15 12:33 – Updated: 2026-09-17 20:36

Title

Use-after-free in the Audio/Video: Web Codecs component

Summary

Use-after-free in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 156, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

Severity

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-17 20:35 UTC

CWE

CWE-416 - Use After Free

Assigner

mozilla mitre root

References

7 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=2056051
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…

Impacted products

2 products

Vendor	Product	Version
Mozilla	Firefox	Unaffected: 140.16 , ≤ 140.* (rpm) Unaffected: 153.3 , ≤ 153.* (rpm) Unaffected: 156 , ≤ * (rpm)
Mozilla	Thunderbird	Unaffected: 140.16 , ≤ 140.* (rpm) Unaffected: 153.3 , ≤ 153.* (rpm) Unaffected: 156 , ≤ * (rpm)

Credits

devdharan9424@gmail.com

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "LOW",
              "baseScore": 5.3,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-92005",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-17T20:35:53.633305Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-416",
                "description": "CWE-416 Use After Free",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-09-17T20:36:00.514Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Firefox",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThanOrEqual": "140.*",
              "status": "unaffected",
              "version": "140.16",
              "versionType": "rpm"
            },
            {
              "lessThanOrEqual": "153.*",
              "status": "unaffected",
              "version": "153.3",
              "versionType": "rpm"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "156",
              "versionType": "rpm"
            }
          ]
        },
        {
          "product": "Thunderbird",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThanOrEqual": "140.*",
              "status": "unaffected",
              "version": "140.16",
              "versionType": "rpm"
            },
            {
              "lessThanOrEqual": "153.*",
              "status": "unaffected",
              "version": "153.3",
              "versionType": "rpm"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "156",
              "versionType": "rpm"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "devdharan9424@gmail.com"
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            }
          ],
          "value": "Use-after-free in the Audio/Video: Web Codecs component. This vulnerability was fixed in Firefox 156, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3."
        }
      ],
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        "dateUpdated": "2026-09-16T14:24:29.728Z",
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          "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2056051"
        },
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          "url": "https://www.mozilla.org/security/advisories/mfsa2026-90/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-92/"
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          "url": "https://www.mozilla.org/security/advisories/mfsa2026-93/"
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        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-96/"
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      "title": "Use-after-free in the Audio/Video: Web Codecs component"
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    "dateReserved": "2026-09-15T12:33:23.954Z",
    "dateUpdated": "2026-09-17T20:36:00.514Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2026-92006 (GCVE-0-2026-92006)

Vulnerability from cvelistv5 – Published: 2026-09-15 12:33 – Updated: 2026-09-16 14:24

Title

Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component

Summary

Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3.

Severity

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-15 00:00 UTC

CWE

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Assigner

mozilla mitre root

References

8 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=2057121
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…

Impacted products

2 products

Vendor	Product	Version
Mozilla	Firefox	Unaffected: 115.41 , ≤ 115.* (rpm) Unaffected: 140.16 , ≤ 140.* (rpm) Unaffected: 153.3 , ≤ 153.* (rpm) Unaffected: 156 , ≤ * (rpm)
Mozilla	Thunderbird	Unaffected: 140.16 , ≤ 140.* (rpm) Unaffected: 153.3 , ≤ 153.* (rpm) Unaffected: 156 , ≤ * (rpm)

Credits

Mozilla

Show details on NVD website

JSON

To clipboard

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  "containers": {
    "adp": [
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        "metrics": [
          {
            "cvssV3_1": {
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              "content": {
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          "url": "https://www.mozilla.org/security/advisories/mfsa2026-91/"
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          "url": "https://www.mozilla.org/security/advisories/mfsa2026-92/"
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CVE-2026-92007 (GCVE-0-2026-92007)

Vulnerability from cvelistv5 – Published: 2026-09-15 12:33 – Updated: 2026-09-16 14:24

Title

Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component

Summary

Severity

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-15 00:00 UTC

CWE

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Assigner

mozilla mitre root

References

8 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=2058064
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…

Impacted products

2 products

Vendor	Product	Version
Mozilla	Firefox	Unaffected: 115.41 , ≤ 115.* (rpm) Unaffected: 140.16 , ≤ 140.* (rpm) Unaffected: 153.3 , ≤ 153.* (rpm) Unaffected: 156 , ≤ * (rpm)
Mozilla	Thunderbird	Unaffected: 140.16 , ≤ 140.* (rpm) Unaffected: 153.3 , ≤ 153.* (rpm) Unaffected: 156 , ≤ * (rpm)

Credits

Mozilla

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
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            }
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        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-91/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-92/"
        },
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CVE-2026-92008 (GCVE-0-2026-92008)

Vulnerability from cvelistv5 – Published: 2026-09-15 12:33 – Updated: 2026-09-16 14:24

Title

Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component

Summary

Severity

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-15 00:00 UTC

CWE

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Assigner

mozilla mitre root

References

8 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=2058065
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…

Impacted products

2 products

Vendor	Product	Version
Mozilla	Firefox	Unaffected: 115.41 , ≤ 115.* (rpm) Unaffected: 140.16 , ≤ 140.* (rpm) Unaffected: 153.3 , ≤ 153.* (rpm) Unaffected: 156 , ≤ * (rpm)
Mozilla	Thunderbird	Unaffected: 140.16 , ≤ 140.* (rpm) Unaffected: 153.3 , ≤ 153.* (rpm) Unaffected: 156 , ≤ * (rpm)

Credits

Mozilla

Show details on NVD website

JSON

To clipboard

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  "containers": {
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              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
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            }
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        },
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          "url": "https://www.mozilla.org/security/advisories/mfsa2026-91/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-92/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-93/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-94/"
        },
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          "url": "https://www.mozilla.org/security/advisories/mfsa2026-95/"
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    }
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  "cveMetadata": {
    "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
    "assignerShortName": "mozilla",
    "cveId": "CVE-2026-92008",
    "datePublished": "2026-09-15T12:33:27.684Z",
    "dateReserved": "2026-09-15T12:33:27.177Z",
    "dateUpdated": "2026-09-16T14:24:30.544Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2026-92009 (GCVE-0-2026-92009)

Vulnerability from cvelistv5 – Published: 2026-09-15 12:33 – Updated: 2026-09-16 14:24

Title

Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component

Summary

Severity

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-15 00:00 UTC

CWE

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Assigner

mozilla mitre root

References

8 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=2058066
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…

Impacted products

2 products

Vendor	Product	Version
Mozilla	Firefox	Unaffected: 115.41 , ≤ 115.* (rpm) Unaffected: 140.16 , ≤ 140.* (rpm) Unaffected: 153.3 , ≤ 153.* (rpm) Unaffected: 156 , ≤ * (rpm)
Mozilla	Thunderbird	Unaffected: 140.16 , ≤ 140.* (rpm) Unaffected: 153.3 , ≤ 153.* (rpm) Unaffected: 156 , ≤ * (rpm)

Credits

Mozilla

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
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              "scope": "UNCHANGED",
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            "other": {
              "content": {
                "id": "CVE-2026-92009",
                "options": [
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                    "Automatable": "no"
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                  {
                    "Technical Impact": "total"
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          {
            "descriptions": [
              {
                "cweId": "CWE-120",
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                "type": "CWE"
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        "providerMetadata": {
          "dateUpdated": "2026-09-16T03:56:05.070Z",
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          "vendor": "Mozilla",
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              "lessThanOrEqual": "*",
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          "lang": "en",
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            }
          ],
          "value": "Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3."
        }
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          "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2058066"
        },
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        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-91/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-92/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-93/"
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          "url": "https://www.mozilla.org/security/advisories/mfsa2026-94/"
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        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-96/"
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      ],
      "title": "Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
    "assignerShortName": "mozilla",
    "cveId": "CVE-2026-92009",
    "datePublished": "2026-09-15T12:33:28.728Z",
    "dateReserved": "2026-09-15T12:33:28.205Z",
    "dateUpdated": "2026-09-16T14:24:30.799Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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}

CVE-2026-92010 (GCVE-0-2026-92010)

Vulnerability from cvelistv5 – Published: 2026-09-15 12:33 – Updated: 2026-09-16 14:24

Title

Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component

Summary

Severity

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-15 00:00 UTC

CWE

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Assigner

mozilla mitre root

References

8 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=2058067
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…

Impacted products

2 products

Vendor	Product	Version
Mozilla	Firefox	Unaffected: 115.41 , ≤ 115.* (rpm) Unaffected: 140.16 , ≤ 140.* (rpm) Unaffected: 153.3 , ≤ 153.* (rpm) Unaffected: 156 , ≤ * (rpm)
Mozilla	Thunderbird	Unaffected: 140.16 , ≤ 140.* (rpm) Unaffected: 153.3 , ≤ 153.* (rpm) Unaffected: 156 , ≤ * (rpm)

Credits

Mozilla

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
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              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
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            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-92010",
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                    "Exploitation": "none"
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                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
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                "timestamp": "2026-09-15T00:00:00+00:00",
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        ],
        "problemTypes": [
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            "descriptions": [
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        "providerMetadata": {
          "dateUpdated": "2026-09-16T03:55:53.648Z",
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          "product": "Firefox",
          "vendor": "Mozilla",
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              "lessThanOrEqual": "115.*",
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              "lessThanOrEqual": "140.*",
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              "versionType": "rpm"
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          "product": "Thunderbird",
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              "lessThanOrEqual": "140.*",
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              "versionType": "rpm"
            },
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              "lessThanOrEqual": "153.*",
              "status": "unaffected",
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              "versionType": "rpm"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
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            }
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            }
          ],
          "value": "Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-16T14:24:31.063Z",
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          "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2058067"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-90/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-91/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-92/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-93/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-94/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-95/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-96/"
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      "title": "Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component"
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    "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
    "assignerShortName": "mozilla",
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    "dateUpdated": "2026-09-16T14:24:31.063Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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CVE-2026-92011 (GCVE-0-2026-92011)

Vulnerability from cvelistv5 – Published: 2026-09-15 12:33 – Updated: 2026-09-16 14:24

Title

Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component

Summary

Severity

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-15 00:00 UTC

CWE

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Assigner

mozilla mitre root

References

8 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=2058068
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…

Impacted products

2 products

Vendor	Product	Version
Mozilla	Firefox	Unaffected: 115.41 , ≤ 115.* (rpm) Unaffected: 140.16 , ≤ 140.* (rpm) Unaffected: 153.3 , ≤ 153.* (rpm) Unaffected: 156 , ≤ * (rpm)
Mozilla	Thunderbird	Unaffected: 140.16 , ≤ 140.* (rpm) Unaffected: 153.3 , ≤ 153.* (rpm) Unaffected: 156 , ≤ * (rpm)

Credits

Mozilla

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 8.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
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            }
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          {
            "other": {
              "content": {
                "id": "CVE-2026-92011",
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                    "Exploitation": "none"
                  },
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                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
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        ],
        "problemTypes": [
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                "type": "CWE"
              }
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          "dateUpdated": "2026-09-16T03:56:03.797Z",
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        },
        "title": "CISA ADP Vulnrichment"
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          "product": "Firefox",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThanOrEqual": "115.*",
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              "lessThanOrEqual": "140.*",
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              "versionType": "rpm"
            },
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              "lessThanOrEqual": "153.*",
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            },
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              "status": "unaffected",
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              "status": "unaffected",
              "version": "153.3",
              "versionType": "rpm"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
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              "versionType": "rpm"
            }
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              "base64": false,
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            }
          ],
          "value": "Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3."
        }
      ],
      "providerMetadata": {
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          "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2058068"
        },
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          "url": "https://www.mozilla.org/security/advisories/mfsa2026-90/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-91/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-92/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-93/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-94/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-95/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-96/"
        }
      ],
      "title": "Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component"
    }
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    "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
    "assignerShortName": "mozilla",
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    "datePublished": "2026-09-15T12:33:30.851Z",
    "dateReserved": "2026-09-15T12:33:30.342Z",
    "dateUpdated": "2026-09-16T14:24:31.310Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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}

CVE-2026-92012 (GCVE-0-2026-92012)

Vulnerability from cvelistv5 – Published: 2026-09-15 12:33 – Updated: 2026-09-16 14:24

Title

Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component

Summary

Severity

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-15 00:00 UTC

CWE

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Assigner

mozilla mitre root

References

8 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=2058069
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…

Impacted products

2 products

Vendor	Product	Version
Mozilla	Firefox	Unaffected: 115.41 , ≤ 115.* (rpm) Unaffected: 140.16 , ≤ 140.* (rpm) Unaffected: 153.3 , ≤ 153.* (rpm) Unaffected: 156 , ≤ * (rpm)
Mozilla	Thunderbird	Unaffected: 140.16 , ≤ 140.* (rpm) Unaffected: 153.3 , ≤ 153.* (rpm) Unaffected: 156 , ≤ * (rpm)

Credits

Mozilla

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
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              "baseScore": 8.8,
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              "confidentialityImpact": "HIGH",
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              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
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              "version": "3.1"
            }
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            "other": {
              "content": {
                "id": "CVE-2026-92012",
                "options": [
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        "providerMetadata": {
          "dateUpdated": "2026-09-16T03:55:58.920Z",
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        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
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          "product": "Firefox",
          "vendor": "Mozilla",
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            {
              "lessThanOrEqual": "115.*",
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              "versionType": "rpm"
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              "lessThanOrEqual": "*",
              "status": "unaffected",
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              "lessThanOrEqual": "140.*",
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              "status": "unaffected",
              "version": "153.3",
              "versionType": "rpm"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "156",
              "versionType": "rpm"
            }
          ]
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      "credits": [
        {
          "lang": "en",
          "value": "Mozilla"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3."
            }
          ],
          "value": "Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-16T14:24:31.583Z",
        "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
        "shortName": "mozilla"
      },
      "references": [
        {
          "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2058069"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-90/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-91/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-92/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-93/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-94/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-95/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-96/"
        }
      ],
      "title": "Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
    "assignerShortName": "mozilla",
    "cveId": "CVE-2026-92012",
    "datePublished": "2026-09-15T12:33:31.909Z",
    "dateReserved": "2026-09-15T12:33:31.399Z",
    "dateUpdated": "2026-09-16T14:24:31.583Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2026-92013 (GCVE-0-2026-92013)

Vulnerability from cvelistv5 – Published: 2026-09-15 12:33 – Updated: 2026-09-16 14:24

Title

Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component

Summary

Severity

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-15 00:00 UTC

CWE

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Assigner

mozilla mitre root

References

8 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=2058078
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…

Impacted products

2 products

Vendor	Product	Version
Mozilla	Firefox	Unaffected: 115.41 , ≤ 115.* (rpm) Unaffected: 140.16 , ≤ 140.* (rpm) Unaffected: 153.3 , ≤ 153.* (rpm) Unaffected: 156 , ≤ * (rpm)
Mozilla	Thunderbird	Unaffected: 140.16 , ≤ 140.* (rpm) Unaffected: 153.3 , ≤ 153.* (rpm) Unaffected: 156 , ≤ * (rpm)

Credits

Mozilla

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 8.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-92013",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-15T00:00:00+00:00",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-120",
                "description": "CWE-120 Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-09-16T03:55:52.562Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Firefox",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThanOrEqual": "115.*",
              "status": "unaffected",
              "version": "115.41",
              "versionType": "rpm"
            },
            {
              "lessThanOrEqual": "140.*",
              "status": "unaffected",
              "version": "140.16",
              "versionType": "rpm"
            },
            {
              "lessThanOrEqual": "153.*",
              "status": "unaffected",
              "version": "153.3",
              "versionType": "rpm"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "156",
              "versionType": "rpm"
            }
          ]
        },
        {
          "product": "Thunderbird",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThanOrEqual": "140.*",
              "status": "unaffected",
              "version": "140.16",
              "versionType": "rpm"
            },
            {
              "lessThanOrEqual": "153.*",
              "status": "unaffected",
              "version": "153.3",
              "versionType": "rpm"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "156",
              "versionType": "rpm"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Mozilla"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3."
            }
          ],
          "value": "Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 156, Firefox ESR 115.41, Firefox ESR 140.16, Firefox ESR 153.3, Thunderbird 156, Thunderbird 140.16, and Thunderbird 153.3."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-16T14:24:31.912Z",
        "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
        "shortName": "mozilla"
      },
      "references": [
        {
          "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2058078"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-90/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-91/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-92/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-93/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-94/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-95/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-96/"
        }
      ],
      "title": "Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
    "assignerShortName": "mozilla",
    "cveId": "CVE-2026-92013",
    "datePublished": "2026-09-15T12:33:32.932Z",
    "dateReserved": "2026-09-15T12:33:32.436Z",
    "dateUpdated": "2026-09-16T14:24:31.912Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

CVE-2026-92014 (GCVE-0-2026-92014)

Vulnerability from cvelistv5 – Published: 2026-09-15 12:33 – Updated: 2026-09-16 03:55

Title

Privilege escalation due to incorrect boundary conditions in the Graphics component

Summary

Privilege escalation due to incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox ESR 115.41, Firefox ESR 140.16, and Thunderbird 140.16.

Severity

8.8 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-15 00:00 UTC

CWE

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Assigner

mozilla mitre root

References

4 references

URL	Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=2060000
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…

Impacted products

2 products

Vendor	Product	Version
Mozilla	Firefox	Unaffected: 115.41 , ≤ 115.* (rpm) Unaffected: 140.16 , ≤ * (rpm)
Mozilla	Thunderbird	Unaffected: 140.16 , ≤ * (rpm)

Credits

Jacolon Walker

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "HIGH",
              "baseScore": 8.8,
              "baseSeverity": "HIGH",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-92014",
                "options": [
                  {
                    "Exploitation": "none"
                  },
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                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-15T00:00:00+00:00",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-120",
                "description": "CWE-120 Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-09-16T03:55:56.072Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Firefox",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThanOrEqual": "115.*",
              "status": "unaffected",
              "version": "115.41",
              "versionType": "rpm"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "140.16",
              "versionType": "rpm"
            }
          ]
        },
        {
          "product": "Thunderbird",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "140.16",
              "versionType": "rpm"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Jacolon Walker"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Privilege escalation due to incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox ESR 115.41, Firefox ESR 140.16, and Thunderbird 140.16."
            }
          ],
          "value": "Privilege escalation due to incorrect boundary conditions in the Graphics component. This vulnerability was fixed in Firefox ESR 115.41, Firefox ESR 140.16, and Thunderbird 140.16."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-15T19:43:04.183Z",
        "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
        "shortName": "mozilla"
      },
      "references": [
        {
          "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=2060000"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-91/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-92/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2026-95/"
        }
      ],
      "title": "Privilege escalation due to incorrect boundary conditions in the Graphics component"
    }
  },
  "cveMetadata": {
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    "datePublished": "2026-09-15T12:33:33.939Z",
    "dateReserved": "2026-09-15T12:33:33.423Z",
    "dateUpdated": "2026-09-16T03:55:56.072Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

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CVE-2026-92013 (GCVE-0-2026-92013)

CVE-2026-92014 (GCVE-0-2026-92014)

Tags

Sightings

Nomenclature

Related by attack behaviour